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United Kingdom
The Fluke PRV240 is a voltage indicator proving unit used to verify that your voltage tester is working before and after testing a live circuit. It provides a known, safe voltage source so you do not rely on guesswork when confirming whether power is present or absent. Electricians use this tool to avoid false readings, which can be dangerous when working on live electrical systems.
Before testing a circuit, you plug your voltage tester into the PRV240 to confirm it responds correctly. After testing the circuit, test it again on the PRV240 to ensure your tester did not fail during use.
The unit is small, battery-powered, and easy to carry in a tool bag. You do not need access to mains power to use it, which makes it practical for site work, plant rooms, and outdoor jobs. You can use it anywhere without setting anything up.
It is widely used by electricians and maintenance engineers who test live systems daily.
For more information please check the datasheets.
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